Korean War - Chinese Invasion - People's Liberation Army Crosses the Yalu, October 1950-March 1951

Communist China enters the Korean War on 26 October 1950, when elements of the Chinese People's Liberation Army ambush and overpower UN forces at Onj?ng in North Korea. For the first time UN air superiority is challenged as Chinese MiG-15 jet fighters attack American aircraft south of the Yalu River in MiG Alley'.